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* AdvertDataHelpers: reverting parsing logic, but changed meanings of 'battery' and 'temperature' to just two generic uint16 'feature' properties

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This commit is contained in:
Scott Powell 2025-05-19 23:21:57 +10:00
parent d5eb83a921
commit 5d0a8d9d7c
2 changed files with 24 additions and 5 deletions
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17
src/helpers/AdvertDataHelpers.cpp
View file

@ -8,6 +8,14 @@
memcpy(&app_data[i], &_lat, 4); i += 4;
memcpy(&app_data[i], &_lon, 4); i += 4;
}
if (_extra1) {
app_data[0] |= ADV_FEAT1_MASK;
memcpy(&app_data[i], &_extra1, 2); i += 2;
}
if (_extra2) {
app_data[0] |= ADV_FEAT2_MASK;
memcpy(&app_data[i], &_extra2, 2); i += 2;
}
if (_name && *_name != 0) {
app_data[0] |= ADV_NAME_MASK;
const char* sp = _name;
@ -23,12 +31,19 @@
_lat = _lon = 0;
_flags = app_data[0];
_valid = false;
_extra1 = _extra2 = 0;
int i = 1;
if (_flags & ADV_LATLON_MASK) {
memcpy(&_lat, &app_data[i], 4); i += 4;
memcpy(&_lon, &app_data[i], 4); i += 4;
}
if (_flags & ADV_FEAT1_MASK) {
memcpy(&_extra1, &app_data[i], 2); i += 2;
}
if (_flags & ADV_FEAT2_MASK) {
memcpy(&_extra2, &app_data[i], 2); i += 2;
}
if (app_data_len >= i) {
int nlen = 0;

12
src/helpers/AdvertDataHelpers.h
View file

@ -19,14 +19,16 @@ class AdvertDataBuilder {
uint8_t _type;
const char* _name;
int32_t _lat, _lon;
uint16_t _extra1 = 0;
uint16_t _extra2 = 0;
public:
AdvertDataBuilder(uint8_t adv_type) : _type(adv_type), _name(NULL), _lat(0), _lon(0) { }
AdvertDataBuilder(uint8_t adv_type, const char* name) : _type(adv_type), _name(name), _lat(0), _lon(0) { }
AdvertDataBuilder(uint8_t adv_type, const char* name, double lat, double lon) :
_type(adv_type), _name(name), _lat(lat * 1E6), _lon(lon * 1E6) { }
void setFeat1(bool enabled) { if (enabled) _type |= ADV_FEAT1_MASK; else _type &= ~ADV_FEAT1_MASK; }
void setFeat2(bool enabled) { if (enabled) _type |= ADV_FEAT2_MASK; else _type &= ~ADV_FEAT2_MASK; }
void setFeat1(uint16_t extra) { _extra1 = extra; }
void setFeat2(uint16_t extra) { _extra2 = extra; }
/**
* \brief encode the given advertisement data.
@ -41,13 +43,15 @@ class AdvertDataParser {
bool _valid;
char _name[MAX_ADVERT_DATA_SIZE];
int32_t _lat, _lon;
uint16_t _extra1;
uint16_t _extra2;
public:
AdvertDataParser(const uint8_t app_data[], uint8_t app_data_len);
bool isValid() const { return _valid; }
uint8_t getType() const { return _flags & 0x0F; }
bool hasFeat1() const { return (_flags & ADV_FEAT1_MASK) != 0; }
bool hasFeat2() const { return (_flags & ADV_FEAT2_MASK) != 0; }
uint16_t getFeat1() const { return _extra1; }
uint16_t getFeat2() const { return _extra2; }
bool hasName() const { return _name[0] != 0; }
const char* getName() const { return _name; }